1283912 has 32 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 542400.

The previous prime is 1283903. The next prime is 1283939. The reversal of 1283912 is 2193821.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543 + ... + 5769.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2^1283912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395360).

1283912 is an abundant number, since it is smaller than the sum of its proper divisors (1506808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283912 is a wasteful number, since it uses less digits than its factorization.

1283912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1283912 is about 1133.0984070239. The cubic root of 1283912 is about 108.6872046861.

Subtracting 1283912 from its reverse (2193821), we obtain a palindrome (909909).

The spelling of 1283912 in words is "one million, two hundred eighty-three thousand, nine hundred twelve".